remove ?

Author: kchobantonov

packages/core/src/mappers/renderer.ts

@@ -186,7 +186,7 @@ export const doCreateDefaultValue = (
   rootSchema: JsonSchema
 ) => {
   const resolvedSchema =
-    typeof schema?.$ref === 'string'
+    typeof schema.$ref === 'string'
       ? Resolve.schema(rootSchema, schema.$ref, rootSchema)
       : schema;
   if (resolvedSchema.default !== undefined) {

packages/core/src/util/resolvers.ts

@@ -136,7 +136,7 @@ const resolveSchemaWithSegments = (
   }
 
   // use typeof because schema can by of any type - check singleSegmentResolveSchema below
-  if (typeof schema?.$ref === 'string') {
+  if (typeof schema.$ref === 'string') {
     schema = resolveSchema(rootSchema, schema.$ref, rootSchema);
   }